c-dalsgaard.dk DNS records

🖥️ Nameservers2 records 150ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 144ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.217.251	3600s	vps2.simpledigital.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records1 records 111ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cdalsgaard-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::f 2a01:111:f403:ca09::20 2a01:111:f403:ca09::4 52.101.68.12 52.101.68.21 52.101.68.3 52.101.73.2	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.253.104
🔶 Autoconfig	178.20.217.251

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 323ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 266ms

TXT Record
DZC=5DqXmfq
MS=ms33298783
v=spf1 +ip4:178.20.217.251 +include:spf.protection.outlook.com +include:spf.hosit.dk -all

✉️ SPF

Policy	Record (c-dalsgaard.dk)
-all (hard fail)	v=spf1 +ip4:178.20.217.251 +include:spf.protection.outlook.com +include:spf.hosit.dk -all

📨 DMARC

Policy	Record (_dmarc.c-dalsgaard.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC205ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026080301
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

150ms

A

144ms

MX

111ms

AAAA

142ms

TXT

266ms

CAA

136ms

HTTPS

114ms

TLSA

302ms

SOA

0ms

MTA-STS

141ms

DNSSEC

205ms

SRV

323ms

Total

1561ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-08 05:58:54	1561ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-05 00:24:44	2706ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 21:33:44	916ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 14:06:13	2231ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 18:41:09	925ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 18:40:24	2579ms	2 NS 1 A 1 MX	🔒 Secure	View